HP 8642A - Page 122

Model 8642A/B
Operation
MODULATION CONTENTS
Figure 3-11. Modulation-Related Functions 3-96
MODULATION, AM 3-97
AM 3-97
Table 3-17. AM Operating Characteristics 3-97
INT 3-98
How to Set AM with the Internal Source
(Using the Modulation Oscillator) 3-98
EXT AC, EXT DC 3-98
How to Set AM with an External Source 3-98
HP-IB Codes 3-100
Comments 3-101
Table 3-18. Limitations on AM Settings With
Amplitude 3-102
Related Special Functions 3-104
113. Modulation Frequency Correction Off 3-104
248. Calibrate the Modulation Frequency Bands
Again 3-104
MODULATION, FM 3-105
FM 3-105
Table 3-19. FM Operating Characteristics 3-105
Figure 3-12. FM Deviation Limitations for each
RF Frequency Band; Modulation Frequencies
<1389 Hz 3-106
Figure 3-13. FM Deviation Limitations for each
RF Frequency Band; Modulation Frequencies
>1389 Hz 3-106
INT 3-107
How to Set FM with the Internal Source
(Using the Modulation Oscillator) 3-107
EXT AC, EXT DC 3-108
How to Set FM with an External Source 3-108
HP-IB Codes 3-110
Comments 3-110
Table 3-20. Maximum FM Deviation Settings
with Only an External Source 3-112
Related Special Functions 3-112
5. External Low Rate FM On 3-112
112. Internal + External Low Rate FM On .. 3-112
6. FM Pre-emphasis On 3-113
Figure 3-14. FM Deviation Limits with/
without FM Pre-Emphasis 3-114
Table 3-21. Factor for Y-Axis FM Deviation
Quotient 3-115
7. Low Distortion FM/$M On 3-115
113. Modulation Frequency Correction Off . . 3-115
115. Negative FM Polarity 3-115
116. DC FM Correction Off 3-116
117. DC FM Update Mode On 3-116
118. AC-Coupled DC FM On 3-116
119. Disable Settling 3-116
248. Calibrate the Modulation Frequency
Bands Again 3-116
MODULATION, <t>M 3-119
*M 3-119
Table 3-22. *M Operating Characteristics 3-119
Figure 3-15. $M Deviation Limitations for each
RF Frequency Band 3-119
INT 3-120
How to Set $M with the Internal Source
(Using the Modulation Oscillator) 3-120
EXT AC, EXT DC 3-121
How to Set *M with an External Source 3-121
HP-IB Codes 3-123
Comments 3-123
Related Special Functions 3-124
7. Low Distortion FM/*M On 3-124
113. Modulation Frequency Correction Off . . 3-124
114. Negative *M Polarity 3-124
119. Disable Settling 3-125
248. Calibrate the Modulation Frequency
Bands Again 3-125
MODULATION, PULSE 3-127
PULSE 3-127
Table 3-23. Pulse Modulation Operating
Characteristics 3-127
INT 3-127
How to Set Pulse Modulation with the Internal
Source 3-127
EXT AC, EXT DC 3-128
How to Set Pulse Modulation with an External
Source 3-128
HP-IB Codes 3-129
Comments 3-129
Related Special Functions 3-130
113. Modulation Frequency Correction Off .. 3-130
248. Calibrate the Modulation Frequency
Bands Again 3-130
MODULATION OSCILLATOR 3-131
Table 3-24. Modulation Oscillator Operating
Characteristics 3-131
MOD FREQ 3-131
How to Set Modulation Frequency 3-131
MOD OUT 3-131
How to Set Modulation Output Level 3-131
HP-IB Codes 3-132
Comments 3-132
Related Special Functions 3-133
113. Modulation Frequency Correction Off .. 3-133
248. Calibrate the Modulation Frequency
Bands Again 3-133
3-95